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authorLinus Torvalds <torvalds@g5.osdl.org>2006-03-22 17:32:09 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-22 17:32:09 -0800
commit591eb85ecd7e6eb8596c6129ae074e16636b99f4 (patch)
tree535fb7e9bc29113ff62fd70b0dcd8ad197ab51e2 /arch/arm/common/vic.c
parent4658f79bec0b51222e769e328c2923f39f3bda77 (diff)
parent3a2916aa289504d694072a98876d23ca31d6401e (diff)
downloadkernel-crypto-591eb85ecd7e6eb8596c6129ae074e16636b99f4.tar.gz
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Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: (45 commits) [ARM] 3389/1: typo and grammar fix [ARM] 3386/1: AT91RM9200 Clock update [ARM] 3384/1: AT91RM9200: Timer [ARM] 3382/1: ixp2000: unify defconfigs [ARM] 3381/1: ixp2000: fix slowport write timing control register fields [ARM] 3380/1: ixp2000: simplify ixdp2x00_master_npu() check [ARM] 3379/1: ixp2000: use generic 8250 debug macros [ARM] 3378/1: ixp2000: fix gpio interrupt handling [ARM] Quieten spurious IRQ detection [ARM] Use kcalloc to allocate counter_config array rather than kmalloc [ARM] Oprofile: dynamically allocate counter_config [ARM] Oprofile: Convert semaphore to mutex [ARM] 3376/2: S3C2410 - update defconfig [ARM] 3375/1: S3C2440 - fix osiris machine build [ARM] 3374/1: ep93xx: gpio interrupt support [ARM] 3361/1: S3C24XX - add USB bus clock source [ARM] 3360/1: S3C2440 - add set rate methods and camera clock [ARM] 3359/1: S3C24XX - add support for clk_set_rate [ARM] Convert kmalloc+memset to kzalloc [ARM] 3373/1: move uengine loader to arch/arm/common ...
Diffstat (limited to 'arch/arm/common/vic.c')
-rw-r--r--arch/arm/common/vic.c49
1 files changed, 27 insertions, 22 deletions
diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c
index a45ed1687a5..a19bc4a6196 100644
--- a/arch/arm/common/vic.c
+++ b/arch/arm/common/vic.c
@@ -22,22 +22,21 @@
#include <linux/list.h>
#include <asm/io.h>
-#include <asm/irq.h>
#include <asm/mach/irq.h>
#include <asm/hardware/vic.h>
-static void __iomem *vic_base;
-
static void vic_mask_irq(unsigned int irq)
{
- irq -= IRQ_VIC_START;
- writel(1 << irq, vic_base + VIC_INT_ENABLE_CLEAR);
+ void __iomem *base = get_irq_chipdata(irq);
+ irq &= 31;
+ writel(1 << irq, base + VIC_INT_ENABLE_CLEAR);
}
static void vic_unmask_irq(unsigned int irq)
{
- irq -= IRQ_VIC_START;
- writel(1 << irq, vic_base + VIC_INT_ENABLE);
+ void __iomem *base = get_irq_chipdata(irq);
+ irq &= 31;
+ writel(1 << irq, base + VIC_INT_ENABLE);
}
static struct irqchip vic_chip = {
@@ -46,43 +45,49 @@ static struct irqchip vic_chip = {
.unmask = vic_unmask_irq,
};
-void __init vic_init(void __iomem *base, u32 vic_sources)
+/**
+ * vic_init - initialise a vectored interrupt controller
+ * @base: iomem base address
+ * @irq_start: starting interrupt number, must be muliple of 32
+ * @vic_sources: bitmask of interrupt sources to allow
+ */
+void __init vic_init(void __iomem *base, unsigned int irq_start,
+ u32 vic_sources)
{
unsigned int i;
- vic_base = base;
-
/* Disable all interrupts initially. */
- writel(0, vic_base + VIC_INT_SELECT);
- writel(0, vic_base + VIC_INT_ENABLE);
- writel(~0, vic_base + VIC_INT_ENABLE_CLEAR);
- writel(0, vic_base + VIC_IRQ_STATUS);
- writel(0, vic_base + VIC_ITCR);
- writel(~0, vic_base + VIC_INT_SOFT_CLEAR);
+ writel(0, base + VIC_INT_SELECT);
+ writel(0, base + VIC_INT_ENABLE);
+ writel(~0, base + VIC_INT_ENABLE_CLEAR);
+ writel(0, base + VIC_IRQ_STATUS);
+ writel(0, base + VIC_ITCR);
+ writel(~0, base + VIC_INT_SOFT_CLEAR);
/*
* Make sure we clear all existing interrupts
*/
- writel(0, vic_base + VIC_VECT_ADDR);
+ writel(0, base + VIC_VECT_ADDR);
for (i = 0; i < 19; i++) {
unsigned int value;
- value = readl(vic_base + VIC_VECT_ADDR);
- writel(value, vic_base + VIC_VECT_ADDR);
+ value = readl(base + VIC_VECT_ADDR);
+ writel(value, base + VIC_VECT_ADDR);
}
for (i = 0; i < 16; i++) {
- void __iomem *reg = vic_base + VIC_VECT_CNTL0 + (i * 4);
+ void __iomem *reg = base + VIC_VECT_CNTL0 + (i * 4);
writel(VIC_VECT_CNTL_ENABLE | i, reg);
}
- writel(32, vic_base + VIC_DEF_VECT_ADDR);
+ writel(32, base + VIC_DEF_VECT_ADDR);
for (i = 0; i < 32; i++) {
- unsigned int irq = IRQ_VIC_START + i;
+ unsigned int irq = irq_start + i;
set_irq_chip(irq, &vic_chip);
+ set_irq_chipdata(irq, base);
if (vic_sources & (1 << i)) {
set_irq_handler(irq, do_level_IRQ);